Product Beschreibung
Honeywell RM7850A1001 is a microprocessor-based burner control module from the 7800 series, designed for automatic sequencing and safety supervision von on-vonf or modulating gas, oil, or combination fuel burners. It ensures safe startup, monitoring, and shutdown von burner operations, featuring built-in diagnostics, flame monitoring, and programmable safety checks.
Technical Specifications
| Parameter | Value |
|---|---|
| Power Supply | 120 VAC (+10%/-15%), 50/60 Hz |
| Power Dissipation | ≤ 10 W |
| Operating Temperature | -40°C to +60°C (-40°F to +140°F) |
| Storage Temperature | -40°C to +66°C (-40°F to +150°F) |
| Humidity | 85% RH non-condensing |
| Dimensions (W x H x D) | 127 × 127 × 133 mm |
| Gewicht | 0.73 kg |
| Maximum Connected Load | 2000 VA |
| Approvals | SIL3 capable, CE, EN298 |
Applications
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Industrial boilers and burners (gas, oil, dual fuel)
-
HVAC systems in large buildings
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Process heating systems
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Kilns, furnaces, and ovens requiring automatic sequencing
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Safety-critical combustion systems
Advantages
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SIL3 safety level in approved systems
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Integrated diagnostics and fault history logging
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Flexible configuration with optional display and remote reset
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Multi-language text readout and clear status indication
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Rugged design for harsh industrial environments
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Tamper-resistant and programmable safety timings
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Non-volatile memory retains operational history after power loss
FAQ
Q1: What is the main purpose von the RM7850A1001?
A1: It controls the safe start-up, operation, and shutdown von industrial burners with automatic sequencing and monitoring.
Q2: What type von fuel burners can it be used with?
A2: It supports gas, oil, and combination fuel burners.
Q3: Does the module include flame detection?
A3: It works with plug-in flame amplifiers and flame detectors (sold separately).
Q4: What is the power supply requirement?
A4: It requires 120 VAC (+10%/-15%), 50/60 Hz.
Q5: What is the operating temperature range?
A5: From -40°C to +60°C (-40°F to +140°F).
Q6: Does it support remote reset or monitoring?
A6: Yes, remote reset and optional remote display are supported if approved for the application.
Q7: How many ignition attempts are supported?
A7: Configurable for 1 or 5 ignition attempts depending on model and setup.
Q8: Is it certified for high safety standards?
A8: Yes, it is SIL3 capable when used in an appropriate system and CE certified.
Q9: Can it retain its data after a power outage?
A9: Yes, it has non-volatile memory to retain history and status.
Q10: Is the Keyboard Display Module (KDM) required?
A10: No, but it is optional for more advanced diagnostics and control.
Recommended Related or Same-Series Modells
| Modell | Beschreibung | Dimensions (mm) | Gewicht (kg) |
|---|---|---|---|
| RM7850A1019 | Same series, 15-sec purge timing | 127 × 127 × 133 | 0.73 |
| RM7850A1027 | Same series, 30-sec purge timing | 127 × 127 × 133 | 0.73 |
| RM7830A1003 | On/Off burner relay module | 127 × 127 × 133 | 0.73 |
| RM7850A1035 | Full modulation with dynamic checks | 127 × 127 × 133 | 0.73 |
| EC7850A1064 | European variant, 30-sec purge timing | 127 × 127 × 133 | 0.73 |
| EC7850A1080 | European variant, dynamic checks | 127 × 127 × 133 | 0.73 |
Popular Honeywell Modells
| Modell | Beschreibung | Dimensions (mm) | Gewicht (kg) |
|---|---|---|---|
| RM7800L1012 | Programmable relay for burners | 127 × 127 × 133 | 0.73 |
| R7861A1024 | Flame amplifier, ultraviolet | Compact | ~0.1 |
| S7800A1001 | Keyboard Display Module, English | Compact | ~0.1 |
| R7847A1025 | Flame amplifier, rectification | Compact | ~0.1 |
| C7027A1023 | UV flame detector | Compact | ~0.05 |
| R7849A1023 | Flame amplifier, UV Minipeeper | Compact | ~0.1 |
Unternehmensinformationen
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